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Illumination devices and methods of fabrication thereof

  • US 9,121,979 B2
  • Filed: 05/27/2010
  • Issued: 09/01/2015
  • Est. Priority Date: 05/29/2009
  • Status: Expired due to Fees
First Claim
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1. A display device comprising:

  • an array of light modulating elements;

    a light guide disposed over the array, the light guide having at least one edge configured to receive light into the light guide, the light guide including a first inorganic material characterized by a first refractive index; and

    a turning layer disposed such that the light guide is at least partially between the turning layer and the array, the turning layer including a second inorganic material characterized by a second refractive index that is substantially the same as the first refractive index, wherein the first inorganic material is different than the second inorganic material.

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